22331924209 has 4 divisors (see below), whose sum is σ = 25522199104. Its totient is φ = 19141649316.

The previous prime is 22331924171. The next prime is 22331924213. The reversal of 22331924209 is 90242913322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22331924209 - 2⁹ = 22331923697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22331924249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595137437 + ... + 1595137450.

It is an arithmetic number, because the mean of its divisors is an integer number (6380549776).

Almost surely, 2^22331924209 is an apocalyptic number.

It is an amenable number.

22331924209 is a deficient number, since it is larger than the sum of its proper divisors (3190274895).

22331924209 is an equidigital number, since it uses as much as digits as its factorization.

22331924209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190274894.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 22331924209 in words is "twenty-two billion, three hundred thirty-one million, nine hundred twenty-four thousand, two hundred nine".